Whether you're buying, selling, or monetizing the access in between, post your deal in plain text. Our AI structures it into a matchable block, finds the other side, and keeps you anonymous until you both want the intro.
Anthropic — 350B, 2/0/10, L1. $50M block, min 1M. Clean SPV, can close quick.
Right now the secondary market lives in scattered WhatsApp groups and private inboxes — every broker sitting on a sliver of the picture, none of them seeing the whole. BlockFloww pools that flow into one shared, anonymized book and matches it automatically. The more blocks come in, the more matches come out — so the network gets more valuable to everyone on it with each new desk that joins.
No forms, no listings to scroll. Post what you're buying or selling the way you'd text a broker — the AI does the rest.
Drop in what you're buying or selling — even messy WhatsApp shorthand like '2/0/10, L1, $5M'. Our AI parses it into a structured block, and you confirm before it goes live.
It reads every block across the network — including deal flow that comes straight from WhatsApp — and surfaces real counterparties on the same asset, ranked by price, size, and fit.
Your posting is visible across the network, but your identity isn't. When there's a mutual fit, we reveal both sides and make the intro.
A sample of the assets on the network — fully anonymised. Sign in to see sizes, terms, trust scores, and the other side.
Buyers, sellers, and the people whose access is the deal — BlockFloww matches all three.
Name the secondary, fund stake, or allocation you're after. Get matched to live sell-side on the same asset — ranked by price, size, and fit, not scraped from a stale listings board.
Holding a position you want to move? Post it anonymously, get matched to real buyers, and reveal who you are only when you choose to take the intro.
Your relationships and dealflow are the edge. Route the deals you already see, connect the two sides, and earn a share of every match — across multiple referral tiers.
Sourced from where private deals genuinely change hands — relationships, brokers, and group chats — not a public listings board everyone already sees.
Plain-language intent in, ranked real counterparties out. The system understands size, terms, and timing — not just tickers.
Your interest is visible to the network, but you aren't. Every posting is anonymized — your identity is revealed only when there's a mutual fit.
Every counterparty carries a rating from the people who've dealt with them. You see who's reliable before you engage — even while names stay anonymous.
Invite other desks and principals and earn a share of the commission they generate — across multiple levels, for as long as they keep trading.
Secondaries today. Fund stakes, direct allocations, and the rest of private markets next — one intelligent layer for all of it.
An open book is what creates liquidity — but it shouldn't cost you your privacy. Every posted interest is visible to the network yet fully anonymized: you can see what's out there and signal your own, without revealing who you are until there's a mutual match.
Secondaries are the wedge — the place where hidden liquidity and AI matching matter most today. The destination is larger: one intelligent, liquid marketplace for the entire world of private and alternative assets. We're building it one matched trade at a time.
Enter your email to sign up or sign in. We'll send you a secure magic link — no password, and new accounts are created automatically.
If you're a GP, CIO, industry leader, or broker-dealer sitting on more unique dealflow than capital, put that access to work. Route the deals you already see and earn a share of every match they create — across multiple referral tiers.
Connect your email and WhatsApp, and get paid while you sleep.
Once connected, our AI reads every deal that lands in your inbox and chats, and automatically posts each one to the marketplace as an anonymized block. The moment a block matches, you earn your share — without lifting a finger.
Start earning →